S
M
T
W
T
F
S
26
82°
64°
27
82°
63°
28
77°
64°
29
78°
64°
30
80°
63°
31
84°
65°
1
83°
64°
2
81°
64°
3
85°
64°
4
85°
62°
5
78°
61°
6
81°
60°
7
78°
57°
8
76°
58°
9
76°
56°
10
77°
56°
11
80°
62°
12
84°
63°
13
78°
57°
14
83°
55°
15
77°
56°
16
79°
62°
17
82°
59°
18
77°
55°
19
77°
56°
20
80°
55°
21
81°
59°
22
83°
61°
23
83°
61°
24
82°
60°
25
84°
61°
26
83°
60°
27
82°
58°
28
81°
61°
29
82°
60°
30
80°
53°
31
76°
51°
1
73°
51°
2
73°
52°
3
74°
52°
4
74°
51°
5
71°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Atwater
Atwater's August 2026 forecast shows daily high temperatures ranging from 71° to 85°, with overnight lows between 51° and 65°. The average high for August is 80° with an average low of 59°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Atwater. See also: September | October | November.